In-brief: Researchers at Cisco Systems said that they had identified more than 3 million “at risk” application servers running a vulnerable component that has been linked to ransomware infections. More than 1,600 of those systems have already been compromised, including many school libraries. Updated to add comment from Follett Corp. PFR 4/18/2016

In-brief: A report from a leading legal think tank argues that the spread of the Internet of Things will provide ample opportunities for law enforcement and intelligence agencies to spy on citizens, despite more widespread use of encryption.